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The Waikato Environment for Knowledge Analysis (WEKA), a machine learning workbench. This version represents the developer version, the "bleeding edge" of development, you could say. New functionality gets added to this version.

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/*
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see .
 */

/*
 *    BeanCustomizer.java
 *    Copyright (C) 2011-2012 University of Waikato, Hamilton, New Zealand
 *
 */

package weka.gui.beans;

import java.beans.Customizer;

/**
 * Extends java.beans.Customizer and provides a method to register
 * a listener interested in notification about whether the customizer
 * has modified the object that it is customizing. Typically, an implementation
 * would notify the listener about the modification state when it's window
 * is closed.
 * 
 * @author Mark Hall (mhall{[at]}penthao{[dot]}com)
 * @version $Revision: 8034 $
 *
 */
public interface BeanCustomizer extends Customizer {
  
  /**
   * Interface for something that is interested in the modified status
   * of a source object (typically a BeanCustomizer that is editing an
   * object)
   * 
   * @author mhall
   *
   */
  public interface ModifyListener {
    
    /**
     * Tell the listener about the modified status of the source object.
     * 
     * @param source the source object
     * @param modified true if the source object has been modified
     */
    void setModifiedStatus(Object source, boolean modified);
  }
  
  /**
   * Set a listener to be notified about the modified status of this
   * object
   * 
   * @param l the ModifiedListener
   */
  void setModifiedListener(ModifyListener l);  
}